2 sheets of steel were folded to make 2 gates.
Despite being consistent with the original paper model (as per the previous post), there were a couple of issues with the steel and the way it was folded.
The steel was folded the opposite way to the drawings. One of the sheets was folded to superseded drawings, with a couple of extra folds not envisaged. Having the sheets though, folded as they were, provided a working, tangible basis for further design not typically afforded through the architectural design process - like having a full scale working model, eventually to be used as the end product.
The revised drawings show steel flat plates (4mm) fixed to the long edges of the sheets to make them rigid and parallel, ensuring the gates hinge around vertical axes. Minimal steel RHS struts (20 x 20mm) are welded between these plates appreciating the need to stiffen the sheets across the folds that stretch from top to bottom. Fixing details are also designed. The fixings are simple and direct and spread the load across the edges of the 1.6mm sheets.